Question 4 a) A 3-phase, single circuit transmission line, is given with the length somewhere in the range of 250 km - 400 km long. If the transmission line is rated for 220 kV and has the parameters, R = 0.1 ohms/km, L = 1.26 mH/km, C = 0.009 µF/km, and G = 0, analyze the scenario and determine; (i) the surge impedance (ii) the velocity of propagation neglecting the resistance of the line. If a surge of 150kV strikes at one end of the line, determine; (ii) the time taken for the surge to travel to the other end of the line.
Question 4 a) A 3-phase, single circuit transmission line, is given with the length somewhere in the range of 250 km - 400 km long. If the transmission line is rated for 220 kV and has the parameters, R = 0.1 ohms/km, L = 1.26 mH/km, C = 0.009 µF/km, and G = 0, analyze the scenario and determine; (i) the surge impedance (ii) the velocity of propagation neglecting the resistance of the line. If a surge of 150kV strikes at one end of the line, determine; (ii) the time taken for the surge to travel to the other end of the line.
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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Transcribed Image Text:Question 4
(a) A 3-phase, single circuit transmission line, is given with the length somewhere in
the range of 250 km ~ 400 km long. If the transmission line is rated for 220 kV
and has the parameters, R = 0.1 ohms/km, L = 1.26 mH/km, C = 0.009 µF/km,
and G = 0, analyze the scenario and determine;
(i)
the surge impedance
(ii)
the velocity of propagation neglecting the resistance of the line.
If a surge of 150kV strikes at one end of the line, determine;
(ii)
the time taken for the surge to travel to the other end of the line.
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